19940277

素因数分解:

$3^1\times 7^1\times {\mathrm{613}}^1\times {\mathrm{1549}}^1$

素因数の和:2172

約数の個数: 16

約数和(自身を含む): 30454400

約数和(自身を除く): 10514123

約数列:

[1, 3, 7, 21, 613, 1549, 1839, 4291, 4647, 10843, 12873, 32529, 949537, 2848611, 6646759, 19940277]

約数ペア:

[(1, 19940277), (3, 6646759), (7, 2848611), (21, 949537), (613, 32529), (1549, 12873), (1839, 10843), (4291, 4647)]